Home / 147,318.30-220,831.65-72,377.10

Finding the Fourth Proportional to 147,318.30, 220,831.65 and 72,377.10

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Solution

The fourth proportional to 147,318.30, 220,831.65 and 72,377.10 is: 108,494.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,318.30 : 220,831.65 = 72,377.10 : x
  2. Step 2: Convert to fraction form
    147,318.30/220,831.65 = 72,377.10/x
  3. Step 3: Cross multiply
    147,318.30x = 220,831.65 × 72,377.10
  4. Step 4: Simplify right side
    147,318.30x = 15,983,154,415.22
  5. Step 5: Solve for x
    x = 15,983,154,415.22/147,318.30
  6. Step 6: Final answer
    x = 108,494.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.